The Evolur EV500 500 Watt 80 Plus Bronze ATX Power Supply is a Non Modular Bronze Certified PSU 80 Plus Bronze Certified, With 88% Efficiency Or Higher Under Typical Loads Fully Non Modular To Reduce Clutter And Improve Airflow. Bridge Llc Resonant Converter And Dc-dc Technology Fluid Dynamic Bearing Premium Fan Enhance Quiet Operation And Increase Lifespan. Ev Series Is 80 Plus Bronze Certified, Providing Up To 88% Efficiency For Less Heat And Lower Energy Costs. Premium Japanese Main Capacitor Providing Great Durability As Well As Offering The Highest Stability, While Remaining Reliable. Low Noise Makes Low Temperatures And Quiet Operation. Strong Airflow, High Efficiency Of Airflow And Low Noise Makes Low Temperatures And Quiet Operation. Beta Series Offer Sufficient Amount Of Cables. Also, The Length Of The Cables Are Longer Which Makes Building Easier. 80 Plus Bronze Certified, With 88% Efficiency Or Higher Under Typical Loads Fully Non-Modular To Reduce Clutter And Improve Airflow Bridge Llc Resonant Converter And Dc-dc Technology Fluid Dynamic Bearing Premium Fan Enhance Quiet Operation And Increase Lifespan. Specifications: Output Power 500W Input-Voltage 100-230V Input Current 8A Frequency Range 47-63Hz Fan Size 120mm Efficiency 88% Warranty 2 Years  ..